@charset "UTF-8";
#nav ul :nth-child(1), #nav ul :nth-child(2), #nav ul :nth-child(4) {
  background: #43240c;
  color: #fff;
}

#nav ul :nth-child(3) {
  /* 导航选中时的样式 */
  background-color: #fee44e;
  color: #43200c;
}
